See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. In March 2020, the World Health Organization (WHO) characterized the ...

Autoimmune diseases occur when the immune system mistakenly attacks healthy tissues. Many autoimmune diseases cause flares of symptoms that come and go, sometimes in response to triggers or actions.

Sharon Fekrat MD, FACS, FASRS, discusses the future of retinal scans as a screening and risk stratification tool in neurology ...

“Structural heart disease” is an umbrella term that refers to conditions that affect different structures within the heart. Some of these problems can be present at birth, while others develop later ...

All stages of the fossil-fuel life cycle are a threat to human health, yet global overdependence on fossil fuel continues unabated, despite ambitious international agreements to lower greenhouse-gas ...

The word “epidemic” immediately brings to mind a highly infectious and deadly disease of the kind found in Hollywood films. In Contagion, for instance, a lethal infection with frightening symptoms ...

We have experienced many bumps in the road since 2020 and one would have to be extremely brave to predict what the pandemic may throw at us next. But in terms of the endgame, many experts believe ...

Viruses and bacteria are not responsible for all infections diseases. Many infectious diseases are caused by viruses and bacteria. But there are also other types of pathogens that cause illness.